@@ -322,10 +322,12 @@ def update_position(self, loc):
322322 trans = self .tick2line ._marker ._transform
323323 self .tick2line ._marker ._transform = trans
324324
325- if self .label1On :
326- self .label1 .set_rotation (np .rad2deg (angle ) + self ._labelrotation )
327- if self .label2On :
328- self .label2 .set_rotation (np .rad2deg (angle ) + self ._labelrotation )
325+ if not _is_full_circle_deg (axes .get_thetamin (), axes .get_thetamax ()):
326+ angle = np .rad2deg (angle ) + self ._labelrotation
327+ if self .label1On :
328+ self .label1 .set_rotation (angle )
329+ if self .label2On :
330+ self .label2 .set_rotation (angle )
329331
330332 self ._update_padding (self ._loc * axes .get_theta_direction () +
331333 axes .get_theta_offset ())
@@ -479,7 +481,8 @@ class RadialTick(maxis.YTick):
479481 This subclass of `YTick` provides radial ticks with some small modification
480482 to their re-positioning such that ticks are rotated based on axes limits.
481483 This results in ticks that are correctly perpendicular to the spine. Labels
482- are also rotated to be perpendicular to the spine.
484+ are also rotated to be perpendicular to the spine, but only for wedges, to
485+ preserve backwards compatibility.
483486 """
484487 def _get_text1 (self ):
485488 t = maxis .YTick ._get_text1 (self )
@@ -502,7 +505,7 @@ def update_position(self, loc):
502505 full = _is_full_circle_deg (thetamin , thetamax )
503506
504507 if full :
505- angle = axes . get_rlabel_position () * direction + offset - 90
508+ angle = 0
506509 tick_angle = np .deg2rad (angle )
507510 else :
508511 angle = thetamin * direction + offset - 90
@@ -825,10 +828,16 @@ def get_xaxis_transform(self, which='grid'):
825828 return self ._xaxis_transform
826829
827830 def get_xaxis_text1_transform (self , pad ):
828- return self ._xaxis_text_transform , 'bottom' , 'center'
831+ if _is_full_circle_rad (* self ._realViewLim .intervalx ):
832+ return self ._xaxis_text_transform , 'center' , 'center'
833+ else :
834+ return self ._xaxis_text_transform , 'bottom' , 'center'
829835
830836 def get_xaxis_text2_transform (self , pad ):
831- return self ._xaxis_text_transform , 'top' , 'center'
837+ if _is_full_circle_rad (* self ._realViewLim .intervalx ):
838+ return self ._xaxis_text_transform , 'center' , 'center'
839+ else :
840+ return self ._xaxis_text_transform , 'top' , 'center'
832841
833842 def get_yaxis_transform (self , which = 'grid' ):
834843 if which in ('tick1' , 'tick2' ):
@@ -842,8 +851,7 @@ def get_yaxis_transform(self, which='grid'):
842851 def get_yaxis_text1_transform (self , pad ):
843852 thetamin , thetamax = self ._realViewLim .intervalx
844853 if _is_full_circle_rad (thetamin , thetamax ):
845- halign = 'left'
846- pad_shift = _ThetaShift (self , pad , 'rlabel' )
854+ return self ._yaxis_text_transform , 'bottom' , 'left'
847855 elif self .get_theta_direction () > 0 :
848856 halign = 'left'
849857 pad_shift = _ThetaShift (self , pad , 'min' )
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